AI Models · Paid vs Paid

GPT-6 Astra Pro (batch) Paid vs GPT-5.2 Chat Paid

GPT-6 Astra Pro (batch) vs GPT-5.2 Chat compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

GPT-6 Astra Pro (batch)PaidOpenAI
$5 /M input
$25 /M outputManaged API (no infra to run)
TypeProprietary
Context window1.1M tokens
MultimodalYes
Self-hostNo
GPT-5.2 ChatPaidOpenAI
$1.75 /M input
$14 /M outputManaged API (no infra to run)
TypeProprietary
Context window128K tokens
MultimodalYes
Self-hostNo
Choose GPT-5.2 Chat for the lower output price ($14/M vs $25/M). Choose GPT-6 Astra Pro (batch) if you need the larger 1.1M context window.

GPT-6 Astra Pro (batch) vs GPT-5.2 Chat specs

SpecGPT-6 Astra Pro (batch)GPT-5.2 ChatWinner
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window1.1M tokens128K tokensGPT-6 Astra Pro (batch)
Input price$5/M$1.75/MGPT-5.2 Chat
Output price$25/M$14/MGPT-5.2 Chat
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

1.8×cheaper per output token

GPT-5.2 Chat is ~1.8× cheaper than GPT-6 Astra Pro (batch) on output tokens ($14 vs $25 per M tokens).

Choose GPT-6 Astra Pro (batch) if…
  • You want frontier performance through a managed API
  • You need the longer 1.1M context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
Choose GPT-5.2 Chat if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGPT-6 Astra Pro (batch)GPT-5.2 Chat
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-6 Astra Pro (batch) vs GPT-5.2 Chat

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

GPT-6 Astra Pro (batch)
GPT-5.2 Chat
Intelligence index
17
Math index
51
GPQA
71.2%
MMLU-Pro
81.4%
Humanity's Last Exam
8%
Long Context Reasoning
45.7%
LiveCodeBench
66.9%
AIME 2025
51%
IFBench
47.4%
τ²-Bench
46.5%
τ-Bench Banking
11.1%
Terminal-Bench Hard
31.8%
Speed
0 tok/s
Latency
0s
Intelligence per $
3.5

Benchmark data by Artificial Analysis.

How GPT-6 Astra Pro (batch) and GPT-5.2 Chat score

🤝 Neck and neck on these criteria (3.1 vs 2.9 / 5).
CriterionGPT-6 Astra Pro (batch)GPT-5.2 Chat
Cost-efficiency3.03.5
Context window5.03.5
Openness1.51.5
Self-hosting1.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

GPT-6 Astra Pro (batch) Paid

OpenAI · Proprietary

GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://develope

GPT-5.2 Chat Paid

OpenAI · Proprietary

GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...

Frequently asked questions

GPT-6 Astra Pro (batch) vs GPT-5.2 Chat — which is cheaper?

GPT-5.2 Chat is cheaper on output ($14/M vs $25/M).

Which has the larger context window?

GPT-6 Astra Pro (batch) offers the larger context window (1.1M tokens).

GPT-6 Astra Pro (batch) vs GPT-5.2 Chat — which should I pick in 2026?

Choose GPT-5.2 Chat for the lower output price ($14/M vs $25/M). Choose GPT-6 Astra Pro (batch) if you need the larger 1.1M context window.

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